Area Code +1-309-(5290000...5299999) located in Alpha, Illinois (IL), more detail is as below. Place International Dialing Code : 1 International Prefix : 011 National Prefix : 1 National Destination Code : 309 Subscriber Number From : 5290000 Subscriber Number To : 5299999 National Destination Code Length : 3 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : G (Geographic Land Line, Fixed Line) Carrier Name : FRONTIER CITIZENS IL Click here to buy United States Area Code Database Other Information Language Code : en (English) Country Number : 840 (United States) Country Code : US (United States) Region Code : IL Region Name : Illinois City : Alpha Timezone : America/Chicago Coordinated Universal Time : -06:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 41.1900 Longitude : -90.3800 ‹ previous : +1-309-(5280000...5289999) next › : +1-309-(5300000...5309999) Dialling Instructions For trunk calls: 0 309 5290000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 309 5290000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 5290000 ~ 5299999 (Count: 10,000) Example: +1-309-5290000 / 0111-309-5290000 (1309-5290000 / 1-309-5290000) +1-309-5290001 / 0111-309-5290001 (1309-5290001 / 1-309-5290001) +1-309-5290002 / 0111-309-5290002 (1309-5290002 / 1-309-5290002) +1-309-5290003 / 0111-309-5290003 (1309-5290003 / 1-309-5290003) +1-309-5290004 / 0111-309-5290004 (1309-5290004 / 1-309-5290004) ...+1-309-xxxxxxx / 0111-309-xxxxxxx (1309-xxxxxxx / 1-309-xxxxxxx) ...+1-309-5299995 / 0111-309-5299995 (1309-5299995 / 1-309-5299995) +1-309-5299996 / 0111-309-5299996 (1309-5299996 / 1-309-5299996) +1-309-5299997 / 0111-309-5299997 (1309-5299997 / 1-309-5299997) +1-309-5299998 / 0111-309-5299998 (1309-5299998 / 1-309-5299998) +1-309-5299999 / 0111-309-5299999 (1309-5299999 / 1-309-5299999)